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Flight Reliability

AA 3817 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3817 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

78%
Arrive within 15 minutes
4 min
Average arrival delay
7.6%
Cancelled
9 min early
Median arrival delay

Based on 301 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(35 flights)
  • Tue81%(42 flights)
  • Wed78%(45 flights)
  • Thu73%(41 flights)
  • Fri74%(39 flights)
  • Sat89%(28 flights)
  • Sun72%(47 flights)
On-time by departure window
  • 6–9 AM90%(38 flights)
  • 9 AM–12 PM85%(85 flights)
  • 3–6 PM71%(42 flights)
  • 6–9 PM71%(112 flights)
On-time trend by month
75%
May

Jun 60% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%20
September 202571%28
January 202692%48
February 202684%32
March 202685%27
April 202671%49
May 202675%48
Departures on time
79%
Diverted
0.3%
Flights flown
277
Months covered
12

Keep nerding

Based on 301 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.